


Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
561 FZUS53 KLOT 030828 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 328 AM CDT Tue Jun 3 2025 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>745-031530- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 328 AM CDT Tue Jun 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...South winds 10 to 20 kt becoming southwest and increasing to 30 kt late this morning. Occasional gale force gusts to 35 kt this afternoon. Slight chance of a shower in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft. .TONIGHT...Southwest winds to 30 kt decreasing to 15 to 25 kt. Occasional gale force gusts to 35 kt this evening. Showers developing, especially after midnight. A slight chance of a thunderstorm. Waves 2 to 4 ft subsiding to 1 to 3 ft. .WEDNESDAY...Southwest winds 10 to 20 kt shifting to becoming north 10 to 15 kt in the morning. Showers and slight chance of thunderstorms, mainly in the morning. Waves 1 to 3 ft. .WEDNESDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to 10 kt. Slight chance of showers in the evening. Waves 1 to 3 ft. $$ - Izzi